As of 15:10 MDT

Granby, CO weather in August

68°

Granby, Wednesday, 7 October, 15:10

Overcast. Feels like 66°. High 69°, low 45°.

Pressure30.00 inHg

Wind10.4 mph SE

Humidity26%

Visibility6.2 mi

Dew point33°

See detailed hourly forecast

In August, Granby, CO averages a high of 72.9° and a low of 48.7°. About 1.3 inches of precipitation fall over the month (10 wet days). The record high is 86.4° (2025) and the record low 33.6° (1965). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	74.7°	50°	38%	84° (2024)	33.6° (1965)
2	73.9°	49.8°	42%	84° (2024)	42.4° (1974)
3	73.2°	50.5°	42%	84.7° (2024)	40.5° (1972)
4	73.8°	49.5°	40%	84.9° (1979)	41.5° (1974)
5	73.8°	49.5°	42%	84.9° (1979)	42.4° (1993)
6	73.9°	50.4°	30%	82.6° (1979)	41.5° (1976)
7	73.9°	50°	25%	82.4° (1979)	40.5° (1991)
8	74.1°	49.5°	25%	82.6° (1969)	41.4° (2017)
9	73.4°	49.5°	37%	84.2° (2022)	42.6° (2023)
10	73.4°	48.6°	33%	82.2° (2003)	37° (1974)
11	74.1°	49.5°	32%	82.8° (2022)	41.7° (2018)
12	73.4°	49.1°	28%	82.6° (2018)	39.6° (2004)
13	73.2°	48.4°	17%	82.4° (2025)	41° (1981)
14	72.9°	48.7°	33%	86° (2025)	41° (1985)
15	73°	48.2°	28%	82.8° (2025)	34° (1978)
16	72.9°	48.9°	33%	81.7° (2020)	41.7° (2008)
17	73°	48.2°	40%	82.9° (2020)	36.9° (1960)
18	72.5°	49.1°	38%	82.6° (2020)	42.6° (1963)
19	72.1°	48.2°	37%	83.3° (2025)	34.7° (2015)
20	72.3°	48.2°	37%	85.8° (2025)	40.3° (1965)
21	72.9°	48.4°	28%	86.4° (2025)	35.1° (1964)
22	72.5°	48.7°	37%	82° (2020)	39.4° (1972)
23	72.3°	48.2°	20%	81.1° (2020)	40.8° (1964)
24	72.3°	48°	22%	82.4° (2020)	35.1° (1972)
25	72.5°	48.2°	27%	80.2° (2015)	37° (1992)
26	72.1°	48°	30%	80.1° (1994)	35.2° (1992)
27	71.4°	47.7°	27%	81.5° (2020)	37.8° (1992)
28	72°	47.5°	20%	79.3° (2021)	37° (1968)
29	72.3°	46.9°	23%	80.2° (1990)	37.2° (1987)
30	72°	47.3°	27%	80.8° (1985)	37° (1964)
31	71.1°	47.3°	27%	80.8° (1960)	37.6° (1965)